It's the nature of the fate of things that go obsolete. Look at the Egyptian pyramids or the Roman Coliseum. They've looked better. Which items get thrown millions of Euros/Dollars/Rubles/whatever and heaps of human effort to preserve is impossible to predict, and time eventually eats everything. HMS Victory will probably never sail again due to hull frame damage from improper storage. All we can due is enjoy what was saved and appreciate it. Once that appreciation is lost, so is historical artefact. USS Constitution is one of the few pieces of history chosen for restoration several times, and is still full functional, although they don't actually place her under full sail on the open sea because it is deemed too risky, perhaps because there aren't enough sailors skilled enough to even man the ship at full crew levels. Wooden ships were risky by today's standards, and no replica vessel is even allowed to see water without many concessions to contain modern safety related upgrades, like motorized power, electrical lighting, anchor winches, life rafts, radios, and navigational equipment. Maritime law would never allow a 100% accurate square rigger to sail, and that is also depressing.